From 346a8f81b5db28224e6570c6113acb4d9321e4a2 Mon Sep 17 00:00:00 2001
From: Agetian <stavdev@mail.ru>
Date: Tue, 23 May 2017 16:51:21 +0000
Subject: [PATCH] - NPE prevention in GauntletWinLose.

---
 .../src/forge/screens/match/winlose/GauntletWinLose.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/forge-gui-mobile/src/forge/screens/match/winlose/GauntletWinLose.java b/forge-gui-mobile/src/forge/screens/match/winlose/GauntletWinLose.java
index 8215fa93876..70c4024e2ed 100644
--- a/forge-gui-mobile/src/forge/screens/match/winlose/GauntletWinLose.java
+++ b/forge-gui-mobile/src/forge/screens/match/winlose/GauntletWinLose.java
@@ -65,7 +65,9 @@ public class GauntletWinLose extends ControlWinLose {
                             sb.append(message2);
                         }
                         else {
-                            sb.deleteCharAt(sb.length() - 1); //remove final new line character
+                            if (sb.length() > 0) {
+                                sb.deleteCharAt(sb.length() - 1); //remove final new line character
+                            }
                         }
 
                         SOptionPane.showMessageDialog(sb.toString(), "Gauntlet Progress", icon);